/**
  ******************************************************************************
  * @file    usart.c
  * @brief   This file provides code for the configuration
  *          of the USART instances.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "usart.h"

/* USER CODE BEGIN 0 */
uint8_t data;
/* USER CODE END 0 */

UART_HandleTypeDef huart1;
UART_HandleTypeDef huart2;
DMA_HandleTypeDef hdma_usart1_rx;
DMA_HandleTypeDef hdma_usart1_tx;
DMA_HandleTypeDef hdma_usart2_rx;
DMA_HandleTypeDef hdma_usart2_tx;

/* USART1 init function */

void MX_USART1_UART_Init(void)
{

    /* USER CODE BEGIN USART1_Init 0 */

    /* USER CODE END USART1_Init 0 */

    /* USER CODE BEGIN USART1_Init 1 */

    /* USER CODE END USART1_Init 1 */
    huart1.Instance = USART1;
    huart1.Init.BaudRate = 115200;
    huart1.Init.WordLength = UART_WORDLENGTH_8B;
    huart1.Init.StopBits = UART_STOPBITS_1;
    huart1.Init.Parity = UART_PARITY_NONE;
    huart1.Init.Mode = UART_MODE_TX_RX;
    huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
    huart1.Init.OverSampling = UART_OVERSAMPLING_16;
    if (HAL_UART_Init(&huart1) != HAL_OK)
    {
        Error_Handler();
    }
    /* USER CODE BEGIN USART1_Init 2 */
    HAL_UART_Receive_IT(&huart1, &data, 1);
    /* USER CODE END USART1_Init 2 */

}
/* USART2 init function */

void MX_USART2_UART_Init(void)
{

    /* USER CODE BEGIN USART2_Init 0 */

    /* USER CODE END USART2_Init 0 */

    /* USER CODE BEGIN USART2_Init 1 */

    /* USER CODE END USART2_Init 1 */
    huart2.Instance = USART2;
    huart2.Init.BaudRate = 115200;
    huart2.Init.WordLength = UART_WORDLENGTH_8B;
    huart2.Init.StopBits = UART_STOPBITS_1;
    huart2.Init.Parity = UART_PARITY_NONE;
    huart2.Init.Mode = UART_MODE_TX_RX;
    huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
    huart2.Init.OverSampling = UART_OVERSAMPLING_16;
    if (HAL_UART_Init(&huart2) != HAL_OK)
    {
        Error_Handler();
    }
    /* USER CODE BEGIN USART2_Init 2 */
    HAL_UART_Receive_IT(&huart2, &data, 1);
    /* USER CODE END USART2_Init 2 */

}

void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
{

    GPIO_InitTypeDef GPIO_InitStruct = {0};
    if(uartHandle->Instance==USART1)
    {
        /* USER CODE BEGIN USART1_MspInit 0 */

        /* USER CODE END USART1_MspInit 0 */
        /* USART1 clock enable */
        __HAL_RCC_USART1_CLK_ENABLE();

        __HAL_RCC_GPIOA_CLK_ENABLE();
        /**USART1 GPIO Configuration
        PA9     ------> USART1_TX
        PA10     ------> USART1_RX
        */
        GPIO_InitStruct.Pin = GPIO_PIN_9;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

        GPIO_InitStruct.Pin = GPIO_PIN_10;
        GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
        GPIO_InitStruct.Pull = GPIO_NOPULL;
        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

        /* USART1 DMA Init */
        /* USART1_RX Init */
        hdma_usart1_rx.Instance = DMA1_Channel5;
        hdma_usart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
        hdma_usart1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
        hdma_usart1_rx.Init.MemInc = DMA_MINC_ENABLE;
        hdma_usart1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
        hdma_usart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
        hdma_usart1_rx.Init.Mode = DMA_NORMAL;
        hdma_usart1_rx.Init.Priority = DMA_PRIORITY_LOW;
        if (HAL_DMA_Init(&hdma_usart1_rx) != HAL_OK)
        {
            Error_Handler();
        }

        __HAL_LINKDMA(uartHandle,hdmarx,hdma_usart1_rx);

        /* USART1_TX Init */
        hdma_usart1_tx.Instance = DMA1_Channel4;
        hdma_usart1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
        hdma_usart1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
        hdma_usart1_tx.Init.MemInc = DMA_MINC_ENABLE;
        hdma_usart1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
        hdma_usart1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
        hdma_usart1_tx.Init.Mode = DMA_NORMAL;
        hdma_usart1_tx.Init.Priority = DMA_PRIORITY_LOW;
        if (HAL_DMA_Init(&hdma_usart1_tx) != HAL_OK)
        {
            Error_Handler();
        }

        __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart1_tx);

        /* USART1 interrupt Init */
        HAL_NVIC_SetPriority(USART1_IRQn, 1, 0);
        HAL_NVIC_EnableIRQ(USART1_IRQn);
        /* USER CODE BEGIN USART1_MspInit 1 */

        /* USER CODE END USART1_MspInit 1 */
    }
    else if(uartHandle->Instance==USART2)
    {
        /* USER CODE BEGIN USART2_MspInit 0 */

        /* USER CODE END USART2_MspInit 0 */
        /* USART2 clock enable */
        __HAL_RCC_USART2_CLK_ENABLE();

        __HAL_RCC_GPIOA_CLK_ENABLE();
        /**USART2 GPIO Configuration
        PA2     ------> USART2_TX
        PA3     ------> USART2_RX
        */
        GPIO_InitStruct.Pin = GPIO_PIN_2;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

        GPIO_InitStruct.Pin = GPIO_PIN_3;
        GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
        GPIO_InitStruct.Pull = GPIO_NOPULL;
        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

        /* USART2 DMA Init */
        /* USART2_RX Init */
        hdma_usart2_rx.Instance = DMA1_Channel6;
        hdma_usart2_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
        hdma_usart2_rx.Init.PeriphInc = DMA_PINC_DISABLE;
        hdma_usart2_rx.Init.MemInc = DMA_MINC_ENABLE;
        hdma_usart2_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
        hdma_usart2_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
        hdma_usart2_rx.Init.Mode = DMA_NORMAL;
        hdma_usart2_rx.Init.Priority = DMA_PRIORITY_LOW;
        if (HAL_DMA_Init(&hdma_usart2_rx) != HAL_OK)
        {
            Error_Handler();
        }

        __HAL_LINKDMA(uartHandle,hdmarx,hdma_usart2_rx);

        /* USART2_TX Init */
        hdma_usart2_tx.Instance = DMA1_Channel7;
        hdma_usart2_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
        hdma_usart2_tx.Init.PeriphInc = DMA_PINC_DISABLE;
        hdma_usart2_tx.Init.MemInc = DMA_MINC_ENABLE;
        hdma_usart2_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
        hdma_usart2_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
        hdma_usart2_tx.Init.Mode = DMA_NORMAL;
        hdma_usart2_tx.Init.Priority = DMA_PRIORITY_LOW;
        if (HAL_DMA_Init(&hdma_usart2_tx) != HAL_OK)
        {
            Error_Handler();
        }

        __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart2_tx);

        /* USART2 interrupt Init */
        HAL_NVIC_SetPriority(USART2_IRQn, 1, 0);
        HAL_NVIC_EnableIRQ(USART2_IRQn);
        /* USER CODE BEGIN USART2_MspInit 1 */

        /* USER CODE END USART2_MspInit 1 */
    }
}

void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
{

    if(uartHandle->Instance==USART1)
    {
        /* USER CODE BEGIN USART1_MspDeInit 0 */

        /* USER CODE END USART1_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_USART1_CLK_DISABLE();

        /**USART1 GPIO Configuration
        PA9     ------> USART1_TX
        PA10     ------> USART1_RX
        */
        HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);

        /* USART1 DMA DeInit */
        HAL_DMA_DeInit(uartHandle->hdmarx);
        HAL_DMA_DeInit(uartHandle->hdmatx);

        /* USART1 interrupt Deinit */
        HAL_NVIC_DisableIRQ(USART1_IRQn);
        /* USER CODE BEGIN USART1_MspDeInit 1 */

        /* USER CODE END USART1_MspDeInit 1 */
    }
    else if(uartHandle->Instance==USART2)
    {
        /* USER CODE BEGIN USART2_MspDeInit 0 */

        /* USER CODE END USART2_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_USART2_CLK_DISABLE();

        /**USART2 GPIO Configuration
        PA2     ------> USART2_TX
        PA3     ------> USART2_RX
        */
        HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3);

        /* USART2 DMA DeInit */
        HAL_DMA_DeInit(uartHandle->hdmarx);
        HAL_DMA_DeInit(uartHandle->hdmatx);

        /* USART2 interrupt Deinit */
        HAL_NVIC_DisableIRQ(USART2_IRQn);
        /* USER CODE BEGIN USART2_MspDeInit 1 */

        /* USER CODE END USART2_MspDeInit 1 */
    }
}

/* USER CODE BEGIN 1 */
//串口1的结构体
USART_RX_BUF_MSG  USART1_RX_BUF_MSG;
//串口2的结构体
USART_RX_BUF_MSG  USART2_RX_BUF_MSG;

//接收回调
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
    //串口1 用于测试
    if (huart->Instance == USART1)
    {
        USART1_RX_BUF_MSG.Buf[USART1_RX_BUF_MSG.RXIndex] = data;
        USART1_RX_BUF_MSG.RXIndex++;
        USART1_RX_BUF_MSG.RXTmrCntVal = 0;        // 清除计时时间
        USART1_RX_BUF_MSG.RXTimeoutFlag = 1;      // 接收超时时间判断标志位

        HAL_UART_Receive_IT(&huart1, &data, 1);
    }
    //串口2 运行
    if (huart->Instance == USART2)
    {
        USART2_RX_BUF_MSG.Buf[USART2_RX_BUF_MSG.RXIndex] = data;
        USART2_RX_BUF_MSG.RXIndex++;
        USART2_RX_BUF_MSG.RXTmrCntVal = 0;        // 清除计时时间
        USART2_RX_BUF_MSG.RXTimeoutFlag = 1;      // 接收超时时间判断标志位

        HAL_UART_Receive_IT(&huart2, &data, 1);
    }
}

//-------------------------------------------------------------------
//串口1 发送测试
void USART1_DataTX(uint8_t * pBuf, uint16_t len)
{
    HAL_UART_Transmit_DMA(&huart1,pBuf,len);
}
//--------
//串口2 发送运行
void USART2_DataTX(uint8_t * pBuf, uint16_t len)
{
    RS485_TX_EN();
    HAL_UART_Transmit_DMA(&huart2,pBuf,len);
}

//-------------------------------------------------------------------


//俩帧数据之间的超时判断
void USART_RX_Ack_TimeOutCheck(USART_RX_BUF_MSG* ptrUS_RX)
{
    // 超时时间 = 定时时基* Num
    if( ptrUS_RX->RXTimeoutFlag == 1)
    {
        ptrUS_RX->RXTmrCntVal++;   // 开始计时加数

        if( ptrUS_RX->RXTmrCntVal > ptrUS_RX->RXTmrOutValSet ) // 如果达到设定的超时时间
        {
            ptrUS_RX->NewFrmFlag    = 1;    // 置起标志位，表示接收到新的一帧数据
            ptrUS_RX->RXTimeoutFlag = 0;    // 停止超时判定
        }
    }

}
//放在定时器中 测俩个帧中间的相隔时间，不超过6ms
void USART_ALL_TimeOutCheck(void)
{
    USARTx_RX_BUF_MSG.RXTmrOutValSet  = 6;   // 超时时间 = 定时时基* Num	     USART1
    USART_RX_Ack_TimeOutCheck( &USARTx_RX_BUF_MSG );  // USART1串口接收超时判定
}

void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
{
    if (huart->Instance == USART2)
    {
        //串口2 发送完成后 恢复接收状态
        RS485_RX_EN();
    }


}
/* USER CODE END 1 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
